EP2559082A1 - Garniture d'etancheite en polyamide pour piles alcalines - Google Patents
Garniture d'etancheite en polyamide pour piles alcalinesInfo
- Publication number
- EP2559082A1 EP2559082A1 EP11713808A EP11713808A EP2559082A1 EP 2559082 A1 EP2559082 A1 EP 2559082A1 EP 11713808 A EP11713808 A EP 11713808A EP 11713808 A EP11713808 A EP 11713808A EP 2559082 A1 EP2559082 A1 EP 2559082A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- polyamide
- composition
- weight
- composition comprises
- gasket according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920002647 polyamide Polymers 0.000 title claims abstract description 17
- 239000004952 Polyamide Substances 0.000 title claims abstract description 16
- 238000012856 packing Methods 0.000 title abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 41
- 239000000654 additive Substances 0.000 claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 13
- 229920000305 Nylon 6,10 Polymers 0.000 claims abstract description 12
- 229920002302 Nylon 6,6 Polymers 0.000 claims abstract description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 34
- 238000000465 moulding Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- -1 antistats Substances 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000004609 Impact Modifier Substances 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 2
- 239000000975 dye Substances 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 claims description 2
- 239000004611 light stabiliser Substances 0.000 claims description 2
- 239000002667 nucleating agent Substances 0.000 claims description 2
- 239000004014 plasticizer Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
- 239000003017 thermal stabilizer Substances 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 7
- 229920001577 copolymer Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000012765 fibrous filler Substances 0.000 description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229920006122 polyamide resin Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- MXAOILAHPVJWBS-UHFFFAOYSA-N 10-(azepan-1-yl)-10-oxodecanamide Chemical group NC(=O)CCCCCCCCC(=O)N1CCCCCC1 MXAOILAHPVJWBS-UHFFFAOYSA-N 0.000 description 1
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 241000206761 Bacillariophyta Species 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 206010015946 Eye irritation Diseases 0.000 description 1
- 241000208202 Linaceae Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920000572 Nylon 6/12 Polymers 0.000 description 1
- 206010040880 Skin irritation Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004958 Technyl Substances 0.000 description 1
- 229920006096 Technyl® Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 229920006018 co-polyamide Polymers 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010101 extrusion blow moulding Methods 0.000 description 1
- 231100000013 eye irritation Toxicity 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002285 poly(styrene-co-acrylonitrile) Chemical group 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000001175 rotational moulding Methods 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000036556 skin irritation Effects 0.000 description 1
- 231100000475 skin irritation Toxicity 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- DJZKNOVUNYPPEE-UHFFFAOYSA-N tetradecane-1,4,11,14-tetracarboxamide Chemical group NC(=O)CCCC(C(N)=O)CCCCCCC(C(N)=O)CCCC(N)=O DJZKNOVUNYPPEE-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910000166 zirconium phosphate Inorganic materials 0.000 description 1
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K3/1006—Materials in mouldable or extrudable form for sealing or packing joints or covers characterised by the chemical nature of one of its constituents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/12—Materials for stopping leaks, e.g. in radiators, in tanks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/24—Alkaline accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/24—Alkaline accumulators
- H01M10/28—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/24—Alkaline accumulators
- H01M10/28—Construction or manufacture
- H01M10/283—Cells or batteries with two cup-shaped or cylindrical collectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/191—Inorganic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/193—Organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/195—Composite material consisting of a mixture of organic and inorganic materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
- H01M6/08—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with cup-shaped electrodes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/198—Sealing members characterised by the material characterised by physical properties, e.g. adhesiveness or hardness
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to seals for alkaline batteries, made from a polyamide composition comprising at least polyamide 66 and polyamide 610; and optionally fillers and / or additives. These seals are particularly suitable for alkaline batteries batteries standard batteries "AAA” (LR03) and “AA” (LR6).
- An alkaline battery is a type of oxidation-reduction cell between zinc (Zn) and manganese dioxide (MnO 2 ), which takes its name from the fact that its two electrodes, called positive pole and negative pole, are immersed in an alkaline electrolyte. potassium hydroxide (KOH).
- Alkaline batteries can be manufactured in the form of cylinders and buttons.
- a cylindrical cell is contained in a steel tube, which serves as collector of the current of the cathode.
- This consists of a mixture of a compressed manganese dioxide paste with carbon powder to improve the conductivity.
- This paste can be cast into the tube or inserted in the form of preformed rings.
- the central hole of the cathode is coated with a separator which prevents mixing of the products of the anode and the cathode and the short circuit of the cell element.
- the anode consists of a dispersion of zinc powder in a gel containing the potassium hydroxide electrolyte. In standard pole battery types, the anode corresponds to the flat end while the cathode is the one with a raised button.
- seals also called gasket (gasket) in English to slow or prevent leakage of potassium hydroxide.
- seals may be based on polyamide 66 as mentioned in the application US 2006/0222938.
- These fittings may also be composed of polyamide 612 or polyamide 610 as mentioned in the application WO2009 / 087798. However, it appears that these polyamide resins do not allow retention and sufficient resistance of potassium hydroxide.
- the present invention thus has for its main object a seal for alkaline batteries, made from a polyamide composition comprising at least polyamide 66 and polyamide 610; and optionally fillers and / or additives.
- the present invention also relates to the use of such a composition for reducing or preventing leakage of potassium hydroxide from an alkaline cell.
- the composition preferably comprises from 30 to 70% by weight of polyamide 66 and from 30 to 70% by weight of polyamide 610; relative to the total weight of the composition.
- Polyamides 66 and 610 are well described in the literature, in particular in the nylon plastics handbook by Ml Kohan; Hanser, 1995.
- polyamide 66 is understood to mean a polyamide comprising at least 80% by weight of hexamethylene adipamide units.
- polyamide 610 is understood to mean a polyamide comprising at least 80% by weight of hexamethylene sebacamide units. These polyamides can therefore perfectly be (co) polyamides.
- the polyamides 66 and 610 are generally mixed hot, in particular by extrusion.
- the composition according to the invention may further comprise additives conventionally used for the manufacture of polyamide compositions.
- lubricants flame-retardants, plasticizers, nucleating agents, impact modifiers, reinforcing or filling fillers, catalysts, light and / or thermal stabilizers, antioxidants, antistats, dyes, matifying agents, molding aid additives or other conventional additives.
- the reinforcing or filling fillers according to the present invention may be, for example, fibrous fillers and / or non-fibrous fillers.
- Fibrous fillers that may be mentioned include glass fibers, carbon fibers, natural fibers, aramid fibers and nanotubes, especially carbon nanotubes.
- Natural fibers include hemp and flax.
- non-fibrous fillers mention may be made of all the particulate, lamellar and / or exfoliable or non-exfoliatable nanofillers, such as alumina, carbon black, aluminosilicate clays, montmorillonites, zirconium phosphate and kaolin. , calcium carbonate, diatoms, graphite, mica, silica, titanium dioxide, zeolites, talc, wollastonite, polymeric fillers such as, for example, dimethacrylate particles, glass beads or glass powder.
- the composition comprises several types of reinforcing fillers.
- the most used filler may be glass fibers, of the so-called chopped type, in particular having a diameter of between 7 and 14 ⁇ .
- These fillers may have a surface size which ensures the mechanical adhesion between the fibers and the polyamide matrix.
- the weight concentration of the reinforcing or filling fillers is advantageously between 1% and 60% by weight relative to the total weight of the composition, preferably between 15 and 50%.
- modifiers for the impact resistance can be added to the polyamide composition. These are generally polymers of elastomers that can be used for this purpose.
- Resilience modifying agents are generally defined as having an ASTM D-638 tensile modulus of less than about 500 MPa.
- suitable elastomers are ethylene-acrylic ester-maleic anhydride, ethylene-propylene-maleic anhydride, ethylene-propylene-momonene diene (EPDM) optionally with a maleic anhydride grafted.
- Shock modifiers comprising functional groups reactive with the polyamide are particularly preferred.
- the proportion by weight of these agents in the total composition is in particular between 0.1 and 40%, preferably between 5 and 20%.
- composition comprising:
- fillers and additives may be added to the polyamide composition by usual means suitable for each filler or additive, such as for example during the polymerization or in melt blending.
- the compositions of the invention are generally obtained by mixing the various constituents while hot, for example in a single-screw or twin-screw extruder, at a temperature sufficient to maintain the polyamide resin in a molten medium; or cold in a mechanical mixer including. Generally, the mixture obtained is extruded in the form of rods which are cut into pieces to form granules.
- the compounds can be added at any time during the manufacturing process of the plastic material, in particular by hot or cold mixing with the plastic matrix.
- the addition of the compounds and the additives can be carried out by adding these compounds to the molten plastic matrix in pure form or in the form of a concentrated mixture in a matrix such as, for example, a plastic matrix.
- the composition is preferably a molding composition, for example in the form of granules or powder, used in particular for the manufacture of articles by a molding process or injection molding in particular.
- the composition according to the invention can be used for any process for shaping plastics, such as, for example, molding processes, in particular injection molding, rotational molding, sintering, casting, or extrusion molding. extrusion blow molding and filming, or spinning processes.
- the invention thus also relates to processes for producing molded or extruded articles by shaping a composition of the invention.
- the seals of the invention are usable for various types of alkaline batteries, including button or cylindrical batteries. Particularly preferred are standard stick batteries “AAA” (LR03), “AA” (LR6), “C” (LR14), “sub-C” and “D”.
- standard stick batteries “AAA” (LR03), “AA” (LR6), “C” (LR14), “sub-C” and “D”.
- the format of the batteries is standardized by the International Electrotechnical Commission (IEC) and the American National Standards Institute (ANSI). These batteries can be rechargeable or non-rechargeable.
- the present invention also relates to an alkaline battery comprising electricity generating elements and a packer according to the present invention.
- the present invention also relates to a method of manufacturing gaskets by molding a composition according to the invention.
- a specific language is used in the description so as to facilitate understanding of the principle of the invention. It should nevertheless be understood that no limitation of the scope of the invention is envisaged by the use of this specific language. In particular, modifications, improvements and improvements may be considered by a person familiar with the technical field concerned on the basis of his own general knowledge.
- the term and / or includes the meanings and, or, as well as all other possible combinations of elements connected to this term. Other details or advantages of the invention will emerge more clearly in the light of the examples given below solely for information purposes.
- compositions of Examples 1 and 2 and Comparative Examples C1 and C2 are prepared and tested as mentioned below:
- the compounds used are as follows:
- A-1 Technyl 26A polyamide 66, manufactured by Rhodia, having a relative viscosity of 2.6 (measured with 1% by weight of sulfuric acid at 23 ° C) and a melting point of 262 ° C
- A-2 polyamide 610 having a relative viscosity of 2.8 (measured with 1% by weight of sulfuric acid at 23 ° C) and a melting point of 218 ° C
- the temperature profile of the extruder is between 260 and 280 ° C.
- the extrusion rate is between 250 and 300 rpm under a vacuum of 50-70 cm Hg.
- the granules obtained and after drying are shaped in an ENGEL injection press with a compressive force of 80 tons and an injection volume of 189.44 cc.
- the cylinder temperature is 280 ° C and the mold temperature is 80 ° C.
- the injection cycle is cooling is about 15 seconds.
- Different specimens according to the tests to be performed have been made. Seals were also made and assembled with LR6 alkaline batteries for KOH leakage tests.
- HDT is measured according to ASTM D-648 (18.5 kgf / cm 2 ).
- KOH leaks are observed on 50 LR6 alkaline batteries containing 40% KOH electrolytes placed for 10 weeks at 71 ° C. At the end of each week, we visually observe the number of batteries on which leakage is observed.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Primary Cells (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1001542A FR2958796B1 (fr) | 2010-04-13 | 2010-04-13 | Garniture d'etancheite en polyamide pour piles alcalines. |
PCT/EP2011/055678 WO2011128321A1 (fr) | 2010-04-13 | 2011-04-12 | Garniture d'etancheite en polyamide pour piles alcalines |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2559082A1 true EP2559082A1 (fr) | 2013-02-20 |
EP2559082B1 EP2559082B1 (fr) | 2017-03-29 |
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ID=43244715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP11713808.1A Active EP2559082B1 (fr) | 2010-04-13 | 2011-04-12 | Garniture d'etancheite en polyamide pour piles alcalines |
Country Status (8)
Country | Link |
---|---|
US (1) | US8900745B2 (fr) |
EP (1) | EP2559082B1 (fr) |
JP (1) | JP5676745B2 (fr) |
KR (1) | KR101385816B1 (fr) |
CN (2) | CN106977917B (fr) |
BR (1) | BR112012025933B1 (fr) |
FR (1) | FR2958796B1 (fr) |
WO (1) | WO2011128321A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3010235B1 (fr) * | 2013-08-29 | 2016-12-30 | Arkema France | Joint pour pile base sur une composition de polyamide |
EP3143076B2 (fr) * | 2014-05-12 | 2023-02-01 | Performance Polyamides, SAS | Composition de polyamide comprenant un polyester et/ou un polyamide amorphe et/ou avec une meilleure conductivité électrique uniforme |
PL3413372T3 (pl) * | 2017-04-07 | 2023-04-24 | Shinsei Kagaku Kogyo Co., Ltd. | Sucha bateria alkaliczna zawierająca uszczelkę i sposób jej wytwarzania |
CN109423043A (zh) * | 2017-08-24 | 2019-03-05 | 尤尼吉可株式会社 | 发泡成型用聚酰胺树脂组合物、发泡用聚酰胺树脂颗粒混合物和发泡成型体 |
WO2021187044A1 (fr) * | 2020-03-19 | 2021-09-23 | 東レ株式会社 | Couvercle de batterie alcaline |
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US20040221446A1 (en) * | 2003-05-07 | 2004-11-11 | Sony Corporation | Method for manufacturing alkaline battery |
US20080051495A1 (en) * | 2004-10-18 | 2008-02-28 | Asahi Kasei Chemicals Corporation | Flame Retardant Resin Composition |
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DE3064694D1 (en) * | 1979-06-28 | 1983-10-06 | Hitachi Maxell | Leak-proof electrochemical cell |
US5837398A (en) * | 1996-09-26 | 1998-11-17 | Three Bond Co., Ltd. | Radiation curable sealing material for batteries |
JPH10195211A (ja) * | 1996-12-27 | 1998-07-28 | Kureha Chem Ind Co Ltd | 包装用フィルムまたはシート |
EP1102336B1 (fr) * | 1999-04-08 | 2007-09-12 | Dai Nippon Printing Co., Ltd. | Materiau multicouches stratifié d'envelope de pile au lithium |
JP2001202935A (ja) * | 1999-11-10 | 2001-07-27 | Sumitomo Chem Co Ltd | 非水電解質電池封口ガスケット、ガスケットの製造方法及び非水電解質電池 |
DE10055373A1 (de) * | 1999-11-10 | 2001-05-17 | Sumitomo Chemical Co | Dichtung für eine Batterie mit nicht-wässrigem Elektrolyten, Herstellung der Dichtung und Batterie mit nicht-wässrigem Elektrolyten |
US6794082B2 (en) * | 2000-09-08 | 2004-09-21 | Sony Corporation | Alkaline battery |
JP4399213B2 (ja) | 2003-09-02 | 2010-01-13 | Fdkエナジー株式会社 | アルカリ乾電池とその封口ガスケット |
JP2005235596A (ja) * | 2004-02-20 | 2005-09-02 | Hitachi Maxell Ltd | ボタン形アルカリ電池およびその製造方法 |
EP1816166A4 (fr) * | 2004-11-25 | 2010-01-06 | Asahi Kasei Chemicals Corp | Composition de resine convenant pour la formation d'une feuille |
US7714988B2 (en) | 2005-02-17 | 2010-05-11 | Massachusetts Institute Of Technology | System and method for absorbance modulation lithography |
JP4546910B2 (ja) * | 2005-09-22 | 2010-09-22 | 三菱樹脂株式会社 | 多孔積層体の製造方法および多孔積層体 |
JP5095243B2 (ja) * | 2007-03-10 | 2012-12-12 | Fdkエナジー株式会社 | アルカリ電池用負極集電体、アルカリ電池 |
JP5470611B2 (ja) * | 2007-04-12 | 2014-04-16 | 旭化成ケミカルズ株式会社 | ポリアミド樹脂組成物及び成形品 |
TW200905123A (en) * | 2007-07-30 | 2009-02-01 | Topco Technologies Corp | Light emitting diode lamp and illumination system |
WO2009087798A1 (fr) | 2008-01-11 | 2009-07-16 | Panasonic Corporation | Joint d'étanchéité pour batterie et batterie alcaline |
-
2010
- 2010-04-13 FR FR1001542A patent/FR2958796B1/fr not_active Expired - Fee Related
-
2011
- 2011-04-12 JP JP2013504235A patent/JP5676745B2/ja active Active
- 2011-04-12 BR BR112012025933-4A patent/BR112012025933B1/pt active Search and Examination
- 2011-04-12 US US13/641,409 patent/US8900745B2/en active Active
- 2011-04-12 CN CN201710067614.5A patent/CN106977917B/zh active Active
- 2011-04-12 KR KR1020127026458A patent/KR101385816B1/ko active IP Right Grant
- 2011-04-12 CN CN2011800190299A patent/CN102859748A/zh active Pending
- 2011-04-12 EP EP11713808.1A patent/EP2559082B1/fr active Active
- 2011-04-12 WO PCT/EP2011/055678 patent/WO2011128321A1/fr active Application Filing
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US20040221446A1 (en) * | 2003-05-07 | 2004-11-11 | Sony Corporation | Method for manufacturing alkaline battery |
US20080051495A1 (en) * | 2004-10-18 | 2008-02-28 | Asahi Kasei Chemicals Corporation | Flame Retardant Resin Composition |
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MASSEY ET AL: "Chapter 24-Nylon 6.6/6.10-PA66/610", 1 January 2003, PERMEABILITY PROPERTIES OF PLASTICS AND ELASTOMERS : A GUIDE TO PACKAGING AND BARRIER MATERIALS, PLASTICS DESIGN LIBRARY/WILLIAM ANDREW PUBL, NORWICH, NY, US, PAGE(S) 173, ISBN: 1-884207-97-9, XP008180011 * |
See also references of WO2011128321A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2958796A1 (fr) | 2011-10-14 |
EP2559082B1 (fr) | 2017-03-29 |
CN106977917A (zh) | 2017-07-25 |
BR112012025933B1 (pt) | 2020-12-22 |
FR2958796B1 (fr) | 2012-04-13 |
JP5676745B2 (ja) | 2015-02-25 |
BR112012025933A2 (pt) | 2016-06-28 |
US8900745B2 (en) | 2014-12-02 |
JP2013527864A (ja) | 2013-07-04 |
KR20130009988A (ko) | 2013-01-24 |
CN102859748A (zh) | 2013-01-02 |
CN106977917B (zh) | 2019-12-10 |
WO2011128321A1 (fr) | 2011-10-20 |
KR101385816B1 (ko) | 2014-04-16 |
US20130200308A1 (en) | 2013-08-08 |
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